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Singapore govt dating app uses Gale-Shapley stable marriage algorithm

466 points · 499 comments · rzk

  1. janalsncm · · focus · HN ↗
    In principle this can be a lot better than regular dating apps.

    Tinder doesn’t know if they were successful or not. They just know you stopped opening the app. In fact they are incentivized not to make matches that lead to marriage, because then you will stop paying.

    The government knows whether you got married and stayed married, and given the social cost of divorce, they are pretty incentivized to keep people married.

    1. nomilk · · focus · HN ↗
      > Tinder doesn’t know if they were successful or not. They just know you stopped opening the app.

      Great point, Tinder has to train on data where they don't know the target variable (whether a match was ultimately successful or not).

      Here's a bet I make with zero knowledge on the topic: I bet tinder could get that info (i.e. whether a user is married or not) from data brokers for 99% of users, and probably trivially.

      1. guelo · · focus · HN ↗
        Huh? The target variable is revenue.
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